import Vue from 'vue';
import VueI18n from 'vue-i18n';
import Cookies from 'js-cookie';
import elementEnLocale from 'element-ui/lib/locale/lang/en'; // element-ui lang
import elementZhLocale from 'element-ui/lib/locale/lang/zh-CN'; // element-ui lang
import elementEsLocale from 'element-ui/lib/locale/lang/es'; // element-ui lang
import elementJaLocale from 'element-ui/lib/locale/lang/ja'; // element-ui lang
import enLocale from './en';
import zhLocale from './zh';
import esLocale from './es';
import jaLocale from './ja';
import locale from 'element-ui/lib/locale';

Vue.use(VueI18n);

const messages = {
  en: {
    ...enLocale,
    ...elementEnLocale,
  },
  'zh-cn': {
    ...zhLocale,
    ...elementZhLocale,
  },
  es: {
    ...esLocale,
    ...elementEsLocale,
  },
  ja: {
    ...jaLocale,
    ...elementJaLocale,
  },
};
export function getLanguage() {
  // const chooseLanguage = Cookies.get('language');
  // if (chooseLanguage) return chooseLanguage;
  //
  // // if has not choose language
  // const language = (navigator.language || navigator.browserLanguage).toLowerCase();
  // const locales = Object.keys(messages);
  // for (const locale of locales) {
  //   if (language.indexOf(locale) > -1) {
  //     return locale;
  //   }
  // }
  return 'zh-cn';
}
const i18n = new VueI18n({
  // set locale
  // options: en | zh | es
  locale: getLanguage(),
  // set locale messages
  messages,
});
locale.i18n((key, value) => i18n.t(key, value));

export default i18n;
